What happens in the medium term to capsule-thickening plasties for iliopsoas impingement after total hip arthroplasty? Evaluation of 14 procedures at 4 years' follow-up. - Université de Lille Accéder directement au contenu
Article Dans Une Revue Orthopaedics & Traumatology: Surgery & Research Année : 2023

What happens in the medium term to capsule-thickening plasties for iliopsoas impingement after total hip arthroplasty? Evaluation of 14 procedures at 4 years' follow-up.

Résumé

Introduction In 2015, we described a capsule-thickening technique via an anterior approach for iliopsoas cup impingement. To our knowledge, medium-term results have not been reported. We therefore retrospectively analyzed all cases in the initial series and those since 2015, to assess this original technique over a longer follow-up: (1) to analyze complications, and (2) to assess functional outcome. Hypothesis The study hypothesis was that this surgical solution has a success rate sufficient for it to be included in the therapeutic armamentarium for iliopsoas impingement. Material and method Fourteen patients were included. Nine plasties were in first line, 3 after tenotomy, and 2 after cup exchange. The anterior Hueter approach was used, visualizing anterior cup overhang, sometimes associated with penetration of the anterior capsule, and enabling capsule-thickening by a folded Vicryl™ mesh. Functional results were analyzed. Results At a median 4 years’ follow-up (IQR: 2–5; range: 1–9), change over baseline in Oxford score was 7 points (p = 0.004), median Medical Research Council thigh flexion strength score was 5 (IQR: 5–5), and 50% of patients (7/14) were satisfied or very satisfied. The major complications rate was 7% (1/14), for 1 irrigation of infected hematoma, cured without recurrence; there was also 1 minor case of injury to the lateral cutaneous nerve of the thigh. Forty-three percent of patients (6/14) exhibited a minimal clinically important difference (MCID) and 64% (9/14) a patient-acceptable symptom state (PASS). Median anatomic overhang on anatomic CT transverse slice was 7 mm (IQR: 3–8; range: 0–13). Four patients underwent secondary acetabular component exchange; their median overhang was 7.5 mm (IQR: 7–8) compared to 5 mm (IQR: 2–8) for the other patients (p-value non-calculable). Conclusion This surgical option seems interesting when acetabular overhang is not too great, especially as it does not affect flexion strength.
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hal-04313567 , version 1 (29-11-2023)

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Pierre Martinot, Alexandre Baujard, Xavier Demondion, Julien Girard, Henri Migaud. What happens in the medium term to capsule-thickening plasties for iliopsoas impingement after total hip arthroplasty? Evaluation of 14 procedures at 4 years' follow-up.. Orthopaedics & Traumatology: Surgery & Research, 2023, Orthopaedics and Traumatology - Surgery and Research, pp.103741. ⟨10.1016/j.otsr.2023.103741⟩. ⟨hal-04313567⟩
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